66832830 has 32 divisors (see below), whose sum is σ = 178221600. Its totient is φ = 17822016.

The previous prime is 66832819. The next prime is 66832867. The reversal of 66832830 is 3823866.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123495 + ... + 124034.

It is an arithmetic number, because the mean of its divisors is an integer number (5569425).

Almost surely, 2^66832830 is an apocalyptic number.

66832830 is an abundant number, since it is smaller than the sum of its proper divisors (111388770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66832830 is a wasteful number, since it uses less digits than its factorization.

66832830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247545 (or 247539 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 66832830 is about 8175.1348612729. The cubic root of 66832830 is about 405.8167331924.

The spelling of 66832830 in words is "sixty-six million, eight hundred thirty-two thousand, eight hundred thirty".